The optional third parameter when __git_ps1 is used in
PROMPT_COMMAND mode as format string for printf to further
customize the way the git status string is embedded in the
user's PS1 prompt.

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Signed-off-by: Simon Oosthoek <s.oosth...@xs4all.nl>
---
contrib/completion/git-prompt.sh | 32 ++++++++++++++++++++------------
1 file changed, 20 insertions(+), 12 deletions(-)
diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index 9b074e1..2922bb3 100644
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -24,6 +24,8 @@
# will show username, at-sign, host, colon, cwd, then
# various status string, followed by dollar and SP, as
# your prompt.
+# Optionally, you can supply a third argument with a printf
+# format string to finetune the output of the branch status
#
# The argument to __git_ps1 will be displayed only if you are currently
# in a git repository. The %s token will be the name of the current
@@ -222,10 +224,12 @@ __git_ps1_show_upstream ()
# when called from PS1 using command substitution
# in this mode it prints text to add to bash PS1 prompt (includes branch name)
#
-# __git_ps1 requires 2 arguments when called from PROMPT_COMMAND (pc)
+# __git_ps1 requires 2 or 3 arguments when called from PROMPT_COMMAND (pc)
# in that case it _sets_ PS1. The arguments are parts of a PS1 string.
-# when both arguments are given, the first is prepended and the second appended
+# when two arguments are given, the first is prepended and the second appended
# to the state string when assigned to PS1.
+# The optional third parameter will be used as printf format string to further
+# customize the output of the git-status string.
# In this mode you can request colored hints using GIT_PS1_SHOWCOLORHINTS=true
__git_ps1 ()
{
@@ -236,9 +240,10 @@ __git_ps1 ()
local printf_format=' (%s)'
case "$#" in
- 2) pcmode=yes
+ 2|3) pcmode=yes
ps1pc_start="$1"
ps1pc_end="$2"
+ printf_format="${3:-$printf_format}"
;;
0|1) printf_format="${1:-$printf_format}"
;;
@@ -339,6 +344,7 @@ __git_ps1 ()
local f="$w$i$s$u"
if [ $pcmode = yes ]; then
+ local gitstring=
if [ -n "${GIT_PS1_SHOWCOLORHINTS-}" ]; then
local c_red='\e[31m'
local c_green='\e[32m'
@@ -356,29 +362,31 @@ __git_ps1 ()
branch_color="$bad_color"
fi
- # Setting PS1 directly with \[ and \] around
colors
+ # Setting gitstring directly with \[ and \]
around colors
# is necessary to prevent wrapping issues!
- PS1="$ps1pc_start
(\[$branch_color\]$branchstring\[$c_clear\]"
+
gitstring="\[$branch_color\]$branchstring\[$c_clear\]"
if [ -n "$w$i$s$u$r$p" ]; then
- PS1="$PS1 "
+ gitstring="$gitstring "
fi
if [ "$w" = "*" ]; then
- PS1="$PS1\[$bad_color\]$w"
+ gitstring="$gitstring\[$bad_color\]$w"
fi
if [ -n "$i" ]; then
- PS1="$PS1\[$ok_color\]$i"
+ gitstring="$gitstring\[$ok_color\]$i"
fi
if [ -n "$s" ]; then
- PS1="$PS1\[$flags_color\]$s"
+ gitstring="$gitstring\[$flags_color\]$s"
fi
if [ -n "$u" ]; then
- PS1="$PS1\[$bad_color\]$u"
+ gitstring="$gitstring\[$bad_color\]$u"
fi
- PS1="$PS1\[$c_clear\]$r$p)$ps1pc_end"
+ gitstring="$gitstring\[$c_clear\]$r$p"
else
- PS1="$ps1pc_start ($c${b##refs/heads/}${f:+
$f}$r$p)$ps1pc_end"
+ gitstring="$c${b##refs/heads/}${f:+ $f}$r$p"
fi
+ gitstring=$(printf -- "$printf_format" "$gitstring")
+ PS1="$ps1pc_start$gitstring$ps1pc_end"
else
# NO color option unless in PROMPT_COMMAND mode
printf -- "$printf_format" "$c${b##refs/heads/}${f:+
$f}$r$p"
--
1.7.9.5
PS, I was surprised that this worked, because I was under the impression that
the \[ \] special characters needed to be put in PS1 directly. This is
apparently not exactly the case, but I'm now more confused than before ;-)
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